Hi,

 

I have an intermittent problem which my Skoda Garage is not able to solve.

The problem is that the DSG disengages while driving. This has happened 4 times during the last 5 month. Two of the instances was while overtaking, which can be quite problematic. The gear does not respond to manual selection. If you stop the car, turn the ignition off and restart the car everything is back to normal.

Does anyone know a solution to this problem?

 

Best regards

Claus_CD

When did you change oil in your gearbox?

13 minutes ago, Claus_CD said:

The problem is that the DSG disengages while driving

 

Important difference: does it actually disengage (goes to Neutral), or does it forcefully downshift (when you'd except it up-shifts), sometimes even more than just one gear down?

According to the service manual. At the 240000km service. 5 month ago.

@vborovic: It disengages. Like in neutral and don't respond to manual shift.

I'd say it is the solenoid valve issue, it is located on the mechatronich part of the gearbox.

Any fault codes against the engine ?

@gav_is_con.

 

One of the times the control lamp for ESP went on, but it disappeared when restarting the car.

Apparent there are no information in the error log.

4 minutes ago, Claus_CD said:

Apparent there are no information in the error log

 

Did you use VCDS to confirm this?

Claus_CD,   are you saying your DSG had an oil change last at 240,000 km / 5 months ago,  and you know this for certain, it was you had it done?

 

So who did it, did they actually know what they were doing since you have had 4 incidents in the past 5 months, 

was the DSG OK before the DSG oil change?

Or is this when you bought the car?

?

What about each DSG Oil change @ approx 64,000 km (each 40,000 miles Skoda / VW.  38,000 miles Audi) before that, was it done?

Edited 24 April, 20188 yr by Offski

38 minutes ago, Offski said:

Claus_CD,   are you saying your DSG had an oil change last at 240,000 km / 5 months ago,  and you know this for certain, it was you had it done?

 

So who did it, did they actually know what they were doing since you have had 4 incidents in the past 5 months, 

was the DSG OK before the DSG oil change?

Or is this when you bought the car?

?

What about each DSG Oil change @ approx 64,000 km (each 40,000 miles Skoda / VW.  38,000 miles Audi) before that, was it done?

I have had the car from new and all services (each 30000km) has been done at an authorized Skoda/VAG dealer. DSG oil change at 60000, 120000, 180000 and 240000km

1 hour ago, vborovic said:

 

Did you use VCDS to confirm this?

No. I don't have a VCDS. According to the authorized Skoda/VAG dealer they could not find any errors, but I have had one instance of the problem since.

Has the car been mapped or any other performance engine modifications. Or is it a stock car from factory?

13 hours ago, gav_is_con said:

Has the car been mapped or any other performance engine modifications. Or is it a stock car from factory?

It is a stock car from factory with the "Fix Diesel Scandal" update.

I wonder if you have a fuel starvation or other issue with fueling. I experienced similar only at low moving speeds. Turned out to be the Tuning box as once removed, issues disappeared. I reproduced it moving up a hill, stop start stop roll forward. Repeat... and it would lose drive. I assumed it was the DSG period. Car done thousands of miles since no more problems. 

 

I did get it to throw a warning regarding fuel eventually and EML though. 

Edited 25 April, 20188 yr by gav_is_con
Add detail

" One of the times the control lamp for ESP went on, but it disappeared when restarting the car. "

 

I think the ESP triggering would cause loss of power.

Could be it triggered before, but during an overtake with no power ( panic ) you might have missed it.

Maybee one of the wheel sensors is a bit intermittent.

Could be worth inspecting each one for any build-up of debris, damaged wiring etc.

 

I think it should throw up a code but probably gets cleared when you turn off the ignition.

If you could get the car plugged in next time before you turn off the ignition, you might get some usefull codes.

'Logged fault codes' are that, Logged. 

 

Some faults like 'Misfires' might not Log because not enough in a cycle, where others might have the ECP light or Exhaust Emission Control light show, 

and codes should be logged.

 

As to the DSG and the Mechatronic Control Unit / & DSG ECU,  there are people that have had issues after 'The Fix' or reported issues with the DSG and that have been dismissed as nothing to do with The Fix,  and VW Group know this as should Master Techs.